Home / 53,712.70-80,570.64-25,635.71

Finding the Fourth Proportional to 53,712.70, 80,570.64 and 25,635.71

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Solution

The fourth proportional to 53,712.70, 80,570.64 and 25,635.71 is: 38,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.70 : 80,570.64 = 25,635.71 : x
  2. Step 2: Convert to fraction form
    53,712.70/80,570.64 = 25,635.71/x
  3. Step 3: Cross multiply
    53,712.70x = 80,570.64 × 25,635.71
  4. Step 4: Simplify right side
    53,712.70x = 2,065,485,561.55
  5. Step 5: Solve for x
    x = 2,065,485,561.55/53,712.70
  6. Step 6: Final answer
    x = 38,454.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.